EP0734794B1 - Cage de laminoir à cylindres d'appui et de travail pour le laminage de tÔles et de bandes - Google Patents

Cage de laminoir à cylindres d'appui et de travail pour le laminage de tÔles et de bandes Download PDF

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Publication number
EP0734794B1
EP0734794B1 EP19960250070 EP96250070A EP0734794B1 EP 0734794 B1 EP0734794 B1 EP 0734794B1 EP 19960250070 EP19960250070 EP 19960250070 EP 96250070 A EP96250070 A EP 96250070A EP 0734794 B1 EP0734794 B1 EP 0734794B1
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EP
European Patent Office
Prior art keywords
backing
rolls
roll
rolling
working
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19960250070
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German (de)
English (en)
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EP0734794A1 (fr
Inventor
Dieter Dipl.-Ing. Figge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of EP0734794A1 publication Critical patent/EP0734794A1/fr
Application granted granted Critical
Publication of EP0734794B1 publication Critical patent/EP0734794B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B13/023—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
    • B21B31/26—Adjusting eccentrically-mounted roll bearings

Definitions

  • the invention relates to a roll stand with support and work rolls for rolling Sheets and strips, with the upper and lower work rolls together with the backup rollers assigned to them by pairs in opposite directions Horizontal shifting of the between the columns of the stand Roll stand formed by means of rolls stored in chocks by means of rolls the chocks of actually assigned displacement drives from the common vertical plane can be moved out into positions in which through the roller axes of the upper work and backup rollers and the lower Cross work and backup rolls running vertical planes,
  • Patent application 0 525 552 A1 suggests for the chocks of the Work and the backup rollers common sliding blocks between the Chocks and the roller stand are arranged and at their the Fitting sides facing away from wedge surfaces, which with vertical adjustable sliding drives with the same wedge surfaces correspond. At the Adjusting these sliding drives cause the wedge surfaces to slide on one another a horizontal displacement of the sliding blocks, which makes them laterally adjust the adjacent chocks.
  • actuators such as Hydraulic cylinders or spindles acting mechanically on the chocks with which each the chocks for changing the roller positions within the Stand window can be moved horizontally.
  • the object of the present invention is a Generate rolling mill of the generic type with little mechanical effort, that entangling with simple sliding drives and high system stability the rollers with conventional bearings is possible, the installation and removal of the Work rolls is not hindered compared to conventional roll stands.
  • each roll neck of Work rolls in a roll bearing designed as a self-aligning bearing Eccentric bushing is mounted in the chock, with each eccentric bushing in opposite directions is rotatable to the other eccentric bushing and that each roll neck of the Back-up rolls in a sliding frame inside the roll bearing of the chock is horizontally displaceable, the setting angle of upper work and backup rolls and the lower work and backup rolls are the same.
  • the proposed solution has the essential advantage over the prior art Technology on that all adjustment means, both for the work and the backup rolls, are arranged within the chocks and with them in a conventional manner can be installed and removed.
  • the proposal of the invention enables the use conventional work roll bending devices in the roll stands, for example in the form of known bending blocks supported in the stand window.
  • the adjustment the work and backup rolls with different adjustment means have advantages in Roll change - the work rolls can be independent of the backup rolls to be changed and takes into account the different workload and stress Back-up rolls from the rolling forces. Adapted to the loads that occur the respective roller bearings are built very small, which on the one hand the price the rolling stands and on the other hand reduced the space requirement. By the latter advantage it is possible to retrofit the invention into existing rolling stands to install.
  • the Work rolls the eccentric bushings on their outer sides with peripheral teeth are provided, in which the correspondingly formed toothing of a rotary drive engages and that the two eccentric bushings on a work roll Reversal of direction of rotation are mechanically coupled.
  • shifting eccentrics are provided with which the in the eccentric roller bearings mounted extremely stable on both sides of the Roll stand can be moved horizontally in opposite directions.
  • the roller axis moves with respect to the center of the chock, which even vertically adjusted only with regard to the required height in the roll stand must become. Since the bearings of the work rolls are designed as self-aligning bearings, one is The work rolls can easily be set from their central position.
  • the rotary drives that engage in the external teeth on the eccentric bushings are structurally simple and reliable, especially if after another Feature of the invention in the work rolls of the rotary drive for the eccentric bushings as a geared motor provided on the operating side of the roll stand Planetary gear is formed, the drive pinion on the operator side directly and on the drive side via a connecting the drive pinion to each other Work roll parallel drive shaft and with the interposition of a Intermediate wheel combs with the interlockings of the eccentric bushings, whereby at the spur gear ratios in different directions of rotation of the eccentric bushes is the same on both sides.
  • the PTO shaft transmits the Drive power to the drive side of the roll stand, where a smaller one Eccentric bushings can be provided which are used to reverse the direction of rotation Idler gear is connected to the drive.
  • Such bearings are small in size and still able to absorb the occurring forces safely.
  • the expansion of working waits at the Storage according to the invention is easily possible on the operator side because the drive-side chock with its adjustment mechanism for the Eccentric bushing even with bending blocks permanently installed on the roll stand, fit easily through the stand window.
  • the rotary drive is included preferably integrated in one of the corners of the chock.
  • the storage of the support rollers is thereby according to a feature of the invention characterized in that the sliding frame receiving the roller bearing over Power-operated in the longitudinal direction of the roller, adjustable on both sides of each sliding frame vertically arranged wedge strips can be moved and at the same time by a vertical in Bearing center axis is pivotable, with the back of the in with Wedge ridges provided with wedge surfaces rising along the longitudinal direction of the roll over a large area fit the inside of the box-shaped chock and between the Sliding frame and the wedge pressure pieces are provided, on the one hand with corresponding wedge surfaces on the wedge surfaces of the wedge strips and on the other hand for pivoting the sliding frame with their spherically designed Place the back on spherically shaped parts of the sliding frame.
  • the invention provides a particularly stable construction for the support roller bearing before, because the backup rollers in their storage particularly high radial forming forces have to take up the work rolls (approx. 2000 to 3000t).
  • the sliding frame is particularly cheap suitable.
  • the radial rolling forces are via the bearings and the sliding frame through the large contact surface into the chock.
  • the adaptation to the The spherical pressure pieces in contact make misalignment when setting with corresponding radii on the sliding frame; the radii have theirs Center in the middle of the camp.
  • the support rollers for adjusting the sliding frame are preferred between each of the two wedge strips and the one receiving the sliding frame Installation piece hydraulic cylinders are arranged, each on one of the wedge strips acting, adjust this opposite to the other wedge bar, the Movements are hydraulically synchronized and the sliding frame in the Roll position with blocked hydraulic cylinders can be determined in the chock. Since the If you attack the hydraulic cylinder on the chock, you can use it together get extended. The entire adjustment mechanism remains on the chock limited. Because of the steep taper of the wedge strips, there is no self-locking.
  • the sliding frame according to the invention makes it possible to dispense with self-aligning bearings, which are not optimally suited to absorb the high loads in the support rollers. Instead, it is provided that each roll neck of the backup rolls in one preferably 4-row cylindrical or tapered roller bearings in the sliding frame is stored.
  • the bearings can be conventional bearings.
  • the axial bearing of the backup roller must also be in the restricted position can adjust. Therefore it is provided that for receiving the on the support rollers acting axial forces additional tapered roller bearings on the extended Roll journals are fixed on one side of the support rolls, the bearing outer rings of which are together swiveling with the roller in a separate housing Articulated connections are supported on the chock in the axial direction of the roller. As a result, the support rollers can be in without hindering the pivoting Be kept in the axial direction.
  • stator columns of the rolling stand are 1 referred to, in the stator windows 2 formed between two stator columns 1 in Chocks 3 the work rolls 4 are mounted on their roll journals 5 and 6.
  • the roll neck 6 on the drive side 7 of the roll stand is extended and 8 at 9 can be coupled to the drive of the work roll 4.
  • each roll neck 5, the work roll 4 in one Eccentric bushing 10 is supported in a self-aligning bearing 11.
  • the eccentric bush on the Operating side 12 of the roll stand is larger than the eccentric bush 10 on the Drive side 7 of the roll stand formed and with an externally toothed collar 13 provided, in the external toothing of the drive pinion 14 of a rotary drive 15 engages.
  • the pinion shaft of the drive pinion 14 is also via the intermediate shaft 16 connected to a propeller shaft 17 via which the drive torque of the rotary drive 15 via the pinion shaft 16 to the drive pinion 18 on the drive side of the Roll stand is transferable, which meshes with the intermediate wheel 19 Eccentric bushing 10, which is toothed on its outer circumference, drives.
  • the outer rings of the Self-aligning bearings 11 are on the operating side 12 as cylindrical roller bearings with spherical Outer ring formed which has an inclined position within the eccentric bushing 10 enables.
  • the bearing absorbs axial forces Spherical roller bearings designed with a cylindrical outer ring.
  • the idler gear 19, which meshes with the drive pinion 18, can be seen the propeller shaft 17 with the drive pinion 14 of the not shown here Gear motor is connected.
  • the support roller 25 is in Figure 2 in Connection with the lower work roll 4 indicated.
  • the bearing of the support roller 25 can be seen according to the invention.
  • Stand columns 1 of the roll stand is, as in conventional roll stands, on on each side of the support roller 25 a receiving the roll neck 26 and 27
  • Installation piece 28 arranged in a known manner in the stator window 2 between the column columns 1 is displaceable in the vertical direction.
  • the left-hand chock Half of the roller is omitted for the sake of simplicity.
  • the chock 28 is box-shaped formed and receives a sliding frame 29 inside, in which the Roll pin 26 or 27 of the support roller 25 is mounted in the roller bearing 30.
  • the sliding frame 29 is in the area of its corners, as in the lower illustration of the Drawing 4 recognizable, spherical, with a center of radius in the center of the roller bearing 30.
  • the center of the radius is designated 31.
  • the sliding frame 29 is adapted and is bevelled on the opposite side to be with to correspond to a wedge ledge 34, but with the same incline opposite slope is provided.
  • the wedge bar 34 is on the wedge surface opposite side is flat and, as can be seen at 35, lies flat the inside of the chock 28.
  • the wedge strips 34 on both sides of the sliding frame 29 have a hydraulic cylinder 36 coupled, one of which is shown in the drawing figure 4 below.
  • the hydraulic cylinder 36 moves the wedge bar 34 in the longitudinal direction, the hydraulic cylinders arranged on both sides of the sliding frame 29 in opposite directions with hydraulic fluid, so that the wedge strips opposite (in the drawing one up and the other down) be moved.
  • the roll neck 26 or 27 of the backup roll moves 25 in one direction or the other within the chock 28 and causes one Set the back-up roller 25 to the same extent as that in the eccentrics 10 twisted work roll 6.7.
  • the pressure ring 39 is on a parallel guide at 43 adjustably attached and can move in the pivoting direction of the roll neck 27 run. The associated slight movement in the transverse direction is for the Function without meaning.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Support Of The Bearing (AREA)

Claims (9)

  1. Cage de laminoir, comportant des cylindres de travail et d'appui (4,25) pour laminer des tôles et des feuillards, dans laquelle les cylindres de travail supérieur et inférieur (4), en même temps que les cylindres d'appui (25) associés à ceux-ci, sont déplaçables, par déplacement horizontal opposé par paire des cylindres (4,25) montés dans des empoises (3,28) à l'intérieur de la fenêtre de support (2) formée entre les colonnes (1) des supports de cylindre, au moyen d'entraínements en déplacement (15,36) associés de façon fonctionnelle aux empoises (3,28) du plan vertical commun, dans des positions telles que les plans verticaux s'étendant à travers les axes des cylindres d'appui et de travail supérieurs (4,25) et des cylindres d'appui et de travail inférieurs (4,25) se croisent, caractérisée en ce que chaque tourillon (5,6) des cylindres de travail (4) est monté, dans l'empoise (3), dans une douille excentrique (10) recevant le palier de cylindre réalisé comme palier à rotule (11), chaque douille excentrique (10) pouvant être tournée en sens contraire par rapport à l'autre douille excentrique (10), et en ce que chaque tourillon (26,27) des cylindres d'appui (25) est horizontalement transversalement déplacable, à l'intérieur de l'empoise (28), dans un bâti de déplacement (29) recevant le palier de cylindre (30), les angles de croisement des cylindres d'appui et de travail supérieurs (4,25) et des cylindres d'appui et de travail inférieurs (4,25) étant identiques.
  2. Cage de laminoir, comportant des cylindres de travail et d'appui pour laminer des tôles et des feuillards selon la revendication 1,
    caractérisée en ce que, dans le cas des cylindres de travail (4), les douilles excentriques (10) sont munies, sur leurs faces externes, de dentures périphériques, dans lesquelles s'engage la denture réalisée de façon correspondante d'un pignon d'entraínement (14) d'un entraínement rotatif (15), et en ce que les deux douilles excentriques (10) d'un cylindre de travail (4), pour l'inversion du sens de rotation, sont coupées mécaniquement ensemble.
  3. Cage de laminoir, comportant des cylindres de travail et d'appui pour laminer des tôles et des feuillards selon la revendication 2,
    caractérisée en ce que, dans le cas des cylindres de travail (4), l'entraínement rotatif (15) pour les douilles excentriques (10) est réalisé sous forme d'un moto-réducteur à engrenage planétaire, prévu sur le côté de service (12) de la cage de laminoir, dont le pignon d'entraínement (14), sur le côté de service (12), engrène directement et, sur le côté d'entraínement (7), par l'intermédiaire d'un arbre articulé (17) s'étendant parallèlement au cylindre de travail (4) et reliant ensemble les pignons d'entraínement (14, 18) et via une roue intermédiaire (19), avec les dentures des douilles excentriques (10), les démultiplications des roues droites étant identiques des deux côtés pour des sens de rotation différents des douilles excentriques (10).
  4. Cage de laminoir, comportant des cylindres de travail et d'appui pour laminer des tôles et des feuillards selon une des revendications 1 à 3,
    caractérisée en ce que, dans le cas des cylindres de travail (4), des paliers à rouleaux cylindriques ou des paliers à rouleaux coniques avec des bagues externes à billes sont montés comme paliers articulés (11) sur le côté de service (12) de la cage de laminoir et, sur le côté d'entraínement (7), sont montés des roulements à billes articulés (11) avec des bagues externes cylindriques recevant des forces axiales.
  5. Cage de laminoir, comportant des cylindres de travail et d'appui pour laminer des tôles et des feuillards selon une des revendications 1 à 4,
    caractérisée en ce que, dans le cas des cylindres d'appui (25), le bâti de déplacement (29) recevant le palier de cylindre (30) est déplacable par l'intermédiaire de barrettes en forme de coin (34), agencées verticalement des deux côtés de chaque bâti de déplacement (29) et réglables sous l'action d'une force dans la direction longitudinale des cylindres, et peut pivoter simultanément autour d'un axe vertical s'étendant au centre du palier, les faces arrière des barrettes (34) munies de surfaces en coin montant dans la direction longitudinale des cylindres reposant, sur une grande surface, sur la face interne de l'empoise (28) en forme de boítier et étant munies, entre le bâti de déplacement (29) et les barrettes (34), de pièces de pression (33) qui reposent, d'une part, par des surfaces en coin correspondantes sur les surfaces en coin des barrettes (34) et, d'autre part, pour le pivotement du bâti de déplacement (29), par leurs faces arrière réalisées de façon sphérique sur des pièces sphériques du bâti de déplacement (29).
  6. Cage de laminoir, comportant des cylindres de travail et d'appui pour laminer des tôles et des feuillards selon une des revendications 1 à 5,
    caractérisée en ce que, dans le cas des cylindres d'appui (25), pour régler le bâti de déplacement (29) entre chacune des deux barrettes (34) et l'empoise (28) recevant le bâti de déplacement (29), sont agencés des vérins hydrauliques (36) qui règlent, en agissant sur à chaque fois une des barrettes (34), celle-ci de façon inverse à l'autre barrette (34), les déplacements étant synchronisés de façon hydraulique, et en ce que le bâti de déplacement (29) peut être fixé dans la position de laminage dans l'empoise (28) lorsque les vérins hydrauliques (36) sont bloqués.
  7. Cage de laminoir, comportant des cylindres de travail et d'appui pour laminer des tôles et des feuillards selon une des revendications 1 à 6,
    caractérisée en ce que chaque tourillon de cylindre (26,27) des cylindres d'appui (25) est monté dans un palier à rouleaux cylindriques ou un palier à rouleaux coniques avantageusement à quatre rangées dans le bâti de déplacement (29).
  8. Cage de laminoir, comportant des cylindres de travail et d'appui pour laminer des tôles et des feuillards selon une des revendications 1 à 6,
    caractérisée en ce que, pour recevoir les forces axiales agissant sur les cylindres d'appui (25), des paliers à rouleaux coniques supplémentaires sont fixés sur le tourillon de cylindre prolongé (27) d'un côté des cylindres d'appui (25), dont les bagues externes de palier, en pouvant pivoter en même temps que le cylindre d'appui (25) dans un carter séparé (40), s'appuient sur l'empoise (28) par l'intermédiaire de liaisons articulées (tringlerie 38) dans la direction axiale du cylindre d'appui (25).
  9. Cage de laminoir, comportant des cylindres de travail et d'appui pour laminer des tôles et des feuillards selon une des revendications 1 à 8,
    caractérisée en ce que, pour étanchéifier les cylindres d'appui (25) par rapport aux paliers à rouleaux cylindriques ou coniques, des bagues d'étanchéité radiales combinées entre les tourillons de palier (26,27) et le bâti de déplacement (29) et des joints étanches plans à lèvres sont utilisés entre le cylindre d'appui (25) et l'empoise (28).
EP19960250070 1995-03-30 1996-03-28 Cage de laminoir à cylindres d'appui et de travail pour le laminage de tÔles et de bandes Expired - Lifetime EP0734794B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19512929 1995-03-30
DE1995112929 DE19512929C1 (de) 1995-03-30 1995-03-30 Walzgerüst mit Stütz-und Arbeitszwalzen zum Walzen von Blechen und Bändern

Publications (2)

Publication Number Publication Date
EP0734794A1 EP0734794A1 (fr) 1996-10-02
EP0734794B1 true EP0734794B1 (fr) 1999-01-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960250070 Expired - Lifetime EP0734794B1 (fr) 1995-03-30 1996-03-28 Cage de laminoir à cylindres d'appui et de travail pour le laminage de tÔles et de bandes

Country Status (2)

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EP (1) EP0734794B1 (fr)
DE (1) DE19512929C1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1288931B1 (it) * 1996-06-24 1998-09-25 Danieli Off Mecc Dispositivo di compensazione per guarniture in gabbie di laminazione a quarto con movimentazione incrociata dei cilindri
CN110421011B (zh) * 2019-08-16 2024-07-05 中冶南方工程技术有限公司 用于18辊轧机侧支承装置的标定装置及标定方法
DE102019122509A1 (de) * 2019-08-21 2021-02-25 Kolbus Gmbh & Co. Kg Vorrichtung zur Herstellung von Buchdecken, Schachteldecken oder Spielebrettern
WO2023217309A1 (fr) * 2022-05-12 2023-11-16 Matthews International GmbH Dispositif d'entraînement pour un palier excentré, et calandre correspondante

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965920A (en) * 1958-01-09 1960-12-27 Farrel Birmingham Co Inc Calender or like device
JPS602924B2 (ja) * 1977-04-13 1985-01-24 石川島播磨重工業株式会社 多段圧延機による圧延方法及び装置
JPS5449960A (en) * 1977-09-29 1979-04-19 Masao Kubota Rolling mill
JPS6040924B2 (ja) * 1980-06-10 1985-09-13 新日本製鐵株式会社 クロスロ−ル圧延機
JPS57190704A (en) * 1981-05-20 1982-11-24 Mitsubishi Heavy Ind Ltd Cross rolling mill
JPS60118309A (ja) * 1983-11-30 1985-06-25 Mitsubishi Heavy Ind Ltd クロスロール圧延機におけるバックアップロールチョック装置
JP2862439B2 (ja) * 1991-07-30 1999-03-03 三菱重工業株式会社 クロスロール圧延機のロールクロス装置
JP3200992B2 (ja) * 1992-08-17 2001-08-20 石川島播磨重工業株式会社 圧延ロールの支持構造

Also Published As

Publication number Publication date
EP0734794A1 (fr) 1996-10-02
DE19512929C1 (de) 1996-05-15

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